The Sauerbraten (Cube 2) engine is an advanced and complete originally open source engine available today, with many novel features unavailable elsewhere. Its main strength is its very productive content pipeline which is especially attractive to smaller companies making casual or serious games. Read more

Formilux is a very light and secure Linux distribution. It is targeted at internet servers, routers, firewalls and semi-embedded systems. It requires a very limited administration but needs fairly skilled administrators.

SLAMPP is a generic Linux distribution that can boot directly from a CD-ROM, or optionally can be installed on a local hard drive. It is designed to be used as an "instant home server". SLAMPP is built using SLAX as its base, and Slackware linux for packages. This means you are going to have two powerful distros in one, although SLAX is also based on Slackware linux.